1 /*	$NetBSD: nslm7xvar.h,v 1.29 2016/06/01 02:37:47 pgoyette Exp $ */
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Bill Squier.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _DEV_ISA_NSLM7XVAR_H_
33 #define _DEV_ISA_NSLM7XVAR_H_
34 
35 #include <dev/sysmon/sysmonvar.h>
36 
37 /*
38  * National Semiconductor LM78/79/81 registers.
39  */
40 
41 /* Control registers */
42 
43 #define LMC_ADDR	0x05
44 #define LMC_DATA	0x06
45 
46 /* Data registers */
47 
48 #define LMD_POST_RAM	0x00	/* POST RAM occupies 0x00 -- 0x1f */
49 #define LMD_VALUE_RAM	0x20	/* Value RAM occupies 0x20 -- 0x3f */
50 #define LMD_FAN1	0x28	/* FAN1 reading */
51 #define LMD_FAN2	0x29	/* FAN2 reading */
52 #define LMD_FAN3	0x2a	/* FAN3 reading */
53 
54 #define LMD_CONFIG	0x40	/* Configuration */
55 #define LMD_ISR1	0x41	/* Interrupt Status 1 */
56 #define LMD_ISR2	0x42	/* Interrupt Status 2 */
57 #define LMD_SMI1	0x43	/* SMI Mask 1 */
58 #define LMD_SMI2	0x44	/* SMI Mask 2 */
59 #define LMD_NMI1	0x45	/* NMI Mask 1 */
60 #define LMD_NMI2	0x46	/* NMI Mask 2 */
61 #define LMD_VIDFAN	0x47	/* VID/Fan Divisor */
62 #define LMD_SBUSADDR	0x48	/* Serial Bus Address */
63 #define LMD_CHIPID	0x49	/* Chip Reset/ID */
64 
65 /* Chip IDs */
66 
67 #define LM_NUM_SENSORS	11
68 #define LM_ID_LM78	0x00
69 #define LM_ID_LM78J	0x40
70 #define LM_ID_LM79	0xC0
71 #define LM_ID_LM81	0x80
72 #define LM_ID_MASK	0xFE
73 
74 
75 /*
76  * Winbond registers
77  *
78  * Several models exists.  The W83781D is mostly compatible with the
79  * LM78, but has two extra temperatures.  Later models add extra
80  * voltage sensors, fans and bigger fan divisors to accomodate slow
81  * running fans.  To accomodate the extra sensors some models have
82  * different memory banks.
83  */
84 
85 #define WB_T23ADDR	0x4a	/* Temperature 2 and 3 Serial Bus Address */
86 #define WB_PIN		0x4b	/* Pin Control */
87 #define WB_BANKSEL	0x4e	/* Bank Select */
88 #define WB_VENDID	0x4f	/* Vendor ID */
89 
90 /* Bank 0 regs */
91 #define WB_BANK0_CHIPID	0x58	/* Chip ID */
92 #define WB_BANK0_RESVD1	0x59	/* Resvd, bits 6-4 select temp sensor mode */
93 #define WB_BANK0_FAN45	0x5c	/* Fan 4/5 Divisor Control (W83791D only) */
94 #define WB_BANK0_VBAT	0x5d	/* VBAT Monitor Control */
95 #define WB_BANK0_FAN4	0xba	/* Fan 4 reading (W83791D only) */
96 #define WB_BANK0_FAN5	0xbb	/* Fan 5 reading (W83791D only) */
97 
98 #define WB_BANK0_CONFIG	0x18	/* VRM & OVT Config (W83627THF/W83637HF) */
99 
100 /* Bank 1 registers */
101 #define WB_BANK1_T2H	0x50	/* Temperature 2 High Byte */
102 #define WB_BANK1_T2L	0x51	/* Temperature 2 Low Byte */
103 
104 /* Bank 2 registers */
105 #define WB_BANK2_T3H	0x50	/* Temperature 3 High Byte */
106 #define WB_BANK2_T3L	0x51	/* Temperature 3 Low Byte */
107 
108 /* Bank 4 registers (W83782D/W83627HF and later models only) */
109 #define WB_BANK4_T1OFF	0x54	/* Temperature 1 Offset */
110 #define WB_BANK4_T2OFF	0x55	/* Temperature 2 Offset */
111 #define WB_BANK4_T3OFF	0x56	/* Temperature 3 Offset */
112 
113 /* Bank 5 registers (W83782D/W83627HF and later models only) */
114 #define WB_BANK5_5VSB	0x50	/* 5VSB reading */
115 #define WB_BANK5_VBAT	0x51	/* VBAT reading */
116 
117 /* Bank selection */
118 #define WB_BANKSEL_B0	0x00	/* Bank 0 */
119 #define WB_BANKSEL_B1	0x01	/* Bank 1 */
120 #define WB_BANKSEL_B2	0x02	/* Bank 2 */
121 #define WB_BANKSEL_B3	0x03	/* Bank 3 */
122 #define WB_BANKSEL_B4	0x04	/* Bank 4 */
123 #define WB_BANKSEL_B5	0x05	/* Bank 5 */
124 #define WB_BANKSEL_HBAC	0x80	/* Register 0x4f High Byte Access */
125 
126 /* Vendor IDs */
127 #define WB_VENDID_WINBOND	0x5ca3	/* Winbond */
128 #define WB_VENDID_ASUS		0x12c3	/* ASUS */
129 
130 /* Chip IDs */
131 #define WB_CHIPID_W83781D	0x10
132 #define WB_CHIPID_W83781D_2	0x11
133 #define WB_CHIPID_W83627HF	0x21
134 #define WB_CHIPID_AS99127F	0x31	/* Asus W83781D clone */
135 #define WB_CHIPID_W83782D	0x30
136 #define WB_CHIPID_W83783S	0x40
137 #define WB_CHIPID_W83697HF	0x60
138 #define WB_CHIPID_W83791D	0x71
139 #define WB_CHIPID_W83791SD	0x72
140 #define WB_CHIPID_W83792D	0x7a
141 #define WB_CHIPID_W83637HF	0x80
142 #define WB_CHIPID_W83627EHF_A	0x88 /* early version, only for ASUS MBs */
143 #define WB_CHIPID_W83627THF	0x90
144 #define WB_CHIPID_W83627EHF	0xa1
145 #define WB_CHIPID_W83627DHG	0xc1
146 
147 /* wbsio Device IDs */
148 #define WBSIO_ID_NCT6776F	0xc3
149 
150 /* Config bits */
151 #define WB_CONFIG_VMR9		0x01
152 
153 /* Reference voltage (mV) */
154 #define WB_VREF			3600
155 #define WB_W83627EHF_VREF	2048
156 
157 #define WB_MAX_SENSORS		19
158 
159 struct lm_softc {
160 	device_t sc_dev;
161 
162 	callout_t sc_callout;
163 
164 	envsys_data_t sensors[WB_MAX_SENSORS];
165 	struct sysmon_envsys *sc_sme;
166 	uint8_t numsensors;
167 
168 	void (*refresh_sensor_data)(struct lm_softc *);
169 
170 	uint8_t (*lm_readreg)(struct lm_softc *, int);
171 	void (*lm_writereg)(struct lm_softc *, int, int);
172 
173 	struct lm_sensor *lm_sensors;
174 	uint8_t	chipid;
175 	uint8_t	vrm9;
176 	uint8_t sioid;
177 };
178 
179 struct lm_sensor {
180 	const char *desc;
181 	enum envsys_units type;
182 	uint8_t bank;
183 	uint8_t reg;
184 	void (*refresh)(struct lm_softc *, int);
185 	int rfact;
186 };
187 
188 void 	lm_attach(struct lm_softc *);
189 void	lm_detach(struct lm_softc *);
190 int 	lm_probe(struct lm_softc *);
191 
192 #endif /* _DEV_ISA_NSLM7XVAR_H_ */
193